Create python script to create template MVP files

[robertapplin]

Description
We want to create a python script which can be run from the command line to generate a couple of template files that can be used for an Model-View-Presenter widget. The script will be used for training purposes, and can also be used in future by developers wanting to create a widget using the MVP pattern. A link to the script should be put in the MVP documentation.

Acceptance Criteria

• A python script which generates a Model, View and Presenter files which contains the best MVP practises (interface classes, passing view and model to presenter as constructor arguments, no Qt in the presenter)
• The python script should have a few arguments:
  - The name to use for the classes
  - The location to output the files to
  - Whether to generate python files, or cpp files for MVP
• The script should be documented and a link provided to it